A shell of the microscopic foraminifer globigerinoides sacculifer, a key indicator of past temperatures.
Photo courtesy Prof. Eelco J. Rohling and Jens Kallmayer.
| The Discovery of Global Warming |
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A shell of the microscopic foraminifer globigerinoides sacculifer, a key indicator of past temperatures.
Photo courtesy Prof. Eelco J. Rohling and Jens Kallmayer. |